rs11635424, a SNP located in a region of chromosome 15q, has been linked to a lower frequency of restless legs syndrome, a common sleep disorder, with an overall odds ratio of 0.70 (CI: 0.59-0.82) for the (A) minor allele. [PMID 17637780]

[PMID 19279021] Replication of restless legs syndrome loci in three European populations.